Caster wheel



FIG. 1 is a top perspective view of a caster wheel showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view.

The broken lines shown in the drawings are for the purpose ofillustrating portions of the article that form no part of the claimeddesign.

CLAIM We claim the ornamental design for a caster wheel, as shown anddescribed.